void sq_addref(HSQUIRRELVM v,HSQOBJECT *po)
{
if(!ISREFCOUNTED(type(*po))) return;
#ifdef NO_GARBAGE_COLLECTOR
__AddRef(po->_type,po->_unVal);
#else
_ss(v)->_refs_table.AddRef(*po);
#endif
}
Closure *luaF_newLclosure (lua_State *L, int nelems, TObject *e) {
Closure *c;
luaM_setname(L, "Lua_closure");
c = cast(Closure *, luaM_malloc(L, sizeLclosure(nelems)));
#if LUA_REFCOUNT
c->l.ref = 0;
#endif LUA_REFCOUNT
luaC_link(L, valtogco(c), LUA_TFUNCTION);
c->l.isC = 0;
c->l.g = *e;
#if LUA_REFCOUNT
__AddRef(&c->l.g);
#endif LUA_REFCOUNT
c->l.nupvalues = cast(lu_byte, nelems);
return c;
}
/*
** open parts that may cause memory-allocation errors
*/
static void f_luaopen (lua_State *L, void *ud) {
int i;
global_State globalState;
lua_State luaState;
global_State *g;
#ifdef _DEBUG
luaState.allocName = "Lua_global_State";
#endif _DEBUG
luaState.l_G = &globalState;
globalState.reallocFunc = luaHelper_Realloc;
globalState.freeFunc = luaHelper_Free;
globalState.memData = luaHelper_memData;
globalState.nblocks = sizeof(lua_State) + sizeof(global_State); // Bogus.
/* create a new global state */
g = luaM_new(&luaState, global_State);
UNUSED(ud);
if (g == NULL) luaD_throw(L, LUA_ERRMEM);
L->l_G = g;
g->mainthread = L;
g->GCthreshold = 0; /* mark it as unfinished state */
g->strt.size = 0;
g->strt.nuse = 0;
g->strt.hash = NULL;
setnilvalue2n(defaultmeta(L));
setnilvalue2n(registry(L));
luaZ_initbuffer(L, &g->buff);
g->panic = default_panic;
#if !LUA_REFCOUNT
g->rootgc = NULL;
g->rootudata = NULL;
g->tmudata = NULL;
#else LUA_REFCOUNT
g->rootgc_head.next = (GCObject*)&g->rootgc_tail;
g->rootgc_head.prev = NULL;
g->rootgc_tail.next = NULL;
g->rootgc_tail.prev = (GCObject*)&g->rootgc_head;
g->rootgc_head.tt = LUA_TNIL;
g->rootgc_head.marked = 0;
g->rootgc_head.ref = 0;
g->rootgc_tail.tt = LUA_TNIL;
g->rootgc_tail.marked = 0;
g->rootgc_tail.ref = 0;
g->rootudata_head.next = (GCObject*)&g->rootudata_tail;
g->rootudata_head.prev = NULL;
g->rootudata_tail.next = NULL;
g->rootudata_tail.prev = (GCObject*)&g->rootudata_head;
g->rootudata_head.tt = LUA_TNIL;
g->rootudata_head.marked = 0;
g->rootudata_head.ref = 0;
g->rootudata_tail.tt = LUA_TNIL;
g->rootudata_tail.marked = 0;
g->rootudata_tail.ref = 0;
g->tmudata_head.next = (GCObject*)&g->tmudata_tail;
g->tmudata_head.prev = NULL;
g->tmudata_tail.next = NULL;
g->tmudata_tail.prev = (GCObject*)&g->tmudata_head;
g->tmudata_head.tt = LUA_TNIL;
g->tmudata_head.marked = 0;
g->tmudata_head.ref = 0;
g->tmudata_tail.tt = LUA_TNIL;
g->tmudata_tail.marked = 0;
g->tmudata_tail.ref = 0;
#endif LUA_REFCOUNT
setnilvalue2n(gkey(g->dummynode));
setnilvalue2n(gval(g->dummynode));
g->dummynode->next = NULL;
g->nblocks = sizeof(lua_State) + sizeof(global_State);
g->reallocFunc = luaHelper_Realloc;
g->freeFunc = luaHelper_Free;
g->memData = luaHelper_memData;
g->fatalErrorFunc = defaultFatalErrorFunc;
#ifdef LUA_MTSUPPORT
g->lockData = NULL;
g->lockFunc = NULL;
g->unlockFunc = NULL;
#endif LUA_MTSUPPORT
g->userGCFunction = NULL;
g->globalUserData = NULL;
stack_init(L, L); /* init stack */
for (i = 0; i < LUA_NTYPES; i++)
{
defaultmetatypes(L, i)->value.gc = NULL;
}
/* create default meta table with a dummy table, and then close the loop */
defaultmeta(L)->tt = LUA_TNUMBER;
defaultmeta(L)->value.gc = NULL;
sethvalue2n(defaultmeta(L), luaH_new(L, 0, 0));
__AddRefDirect(hvalue(defaultmeta(L)));
hvalue(defaultmeta(L))->metatable = hvalue(defaultmeta(L));
__AddRefDirect(hvalue(defaultmeta(L))->metatable);
/* build meta tables */
for (i = 0; i < LUA_NTYPES; i++)
{
luaM_setname(L, "Lua_defaultMetaTypes");
sethvalue2n(defaultmetatypes(L, i), luaH_new(L, 0, 0));
hvalue(defaultmetatypes(L, i))->metatable = hvalue(defaultmeta(L));
}
luaM_setname(L, "Lua_Globals");
sethvalue(gt(L), luaH_new(L, 0, 4)); /* table of globals */
__AddRefDirect(hvalue(gt(L)));
luaM_setname(L, "Lua_Registry");
sethvalue(registry(L), luaH_new(L, 4, 4)); /* registry */
__AddRef(registry(L));
g->minimumstrings = lua_minimumnumstrings;
luaS_resize(L, MINSTRTABSIZE); /* initial size of string table */
luaT_init(L);
luaX_init(L);
luaS_fix(luaS_newliteral(L, MEMERRMSG));
g->GCthreshold = 4*G(L)->nblocks;
luaZ_openspace(L, &g->buff, lua_minimumauxspace);
}
